Slant/Fin VSL II Quick Start Manual

Direct-vent sealed combustion condensing boiler
DIRECT-VENT SEALED COMBUSTION CONDENSING BOILER
~ GAS-FIRED BOILER FOR NATURAL AND L.P. PROPANE GASES ~

TABLE OF CONTENTS

CONTENTS............................................................PAGE
CLEARANCES .............................................................2
UNPACKING THE BOILER .......................................... 2
GAS TYPE SELECTION ..............................................3
MOUNTING THE BOILER ............................................3
GAS PIPING .................................................................3
WATER PIPING .........................................................3-4
CONDENSATE DISPOSAL ..........................................4
VENTING .......................................................................5
ELECTRICAL CONNECTIONS ....................................6
BOILER PROGRAMMING ............................................6
VSL II QUICK START GUIDE
This Quick Start Guide must be left
with owner and should be hung on or
adjacent to the boiler for reference.
IMPORTANT
READ ALL OF THE FOLLOWING WARNINGS AND STATEMENTS
BEFORE READING THE QUICK GUIDE INSTRUCTIONS.
CAUTION
!
This manual is only a quick reference guide and is not meant
to replace or supplement the installation and maintenance
manual supplied with the appliance. Before performing the
installation or any service read the installation and mainte-
nance instructions supplied with this boiler thoroughly!
WARNING
!
This manual must only be used by a licensed plumber, a
licensed gas fitter, the gas supplier, or a qualified service
technician/installer. Failure to comply could result in sub-
stantial property damage, severe personal injury, or loss
of life. Slant/fin is not liable for any damages or defects re-
sulting from improper installation or service of this boiler.
WARNING
!
The installation must comply with the requirements of the
authority having jurisdiction or, in the absence of such re-
quirements, to the latest edition of the National Fuel Gas
Code, ANSI Z223.1/NFPA 54. In Canada, installation must
be in accordance with the requirements of CAN/CSA
B149.1, Natural Gas and Propane Installation Code.
Where required by the authority having jurisdiction, the
installation must comply with the Standard for Controls
and Safety Devices for Automatically Fired Boilers,
ANSI/ASME CSD-1.
NOTICE
In the Commonwealth of Massachusetts this boiler must
be installed by a licensed Plumber or Gas Fitter.
Subject to technical changes
Changes may be made without notice to the illustrations, process steps,
and technical data as a result of our policy of continuous improvement.
Table of Contents
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Summary of Contents for Slant/Fin VSL II

  • Page 1: Table Of Contents

    Failure to comply could result in sub- stantial property damage, severe personal injury, or loss of life. Slant/fin is not liable for any damages or defects re- sulting from improper installation or service of this boiler. WARNING...
  • Page 2: Clearances

    Slant/Fin VSL II Quick Start Guide Required Clearances The boiler requires certain clearances to combustibles, reference the tables below to ensure the location selected is suitable for in- stalling the boiler. It is highly recommended that the boiler be pro-...
  • Page 3: Gas Type Selection

    Slant/Fin VSL II Quick Start Guide Gas Type Selection Appliance The boiler comes from the factory setup for natural gas. The boiler comes with a conversion kit that must be used if the boiler is to be installed and fired with propane gas. Instructions for the conversion of the boiler are located in the installation and maintenance manual.
  • Page 4: Condensate Disposal

    Drawing 2. CST Water pressure and water flow. The VSL II boilers have a built-in water pressure sensor Drawing 1. LLH and water flow meter. The minimum water pressure is 9 psi and the recommended water pressure is 15 psi minimum.
  • Page 5: Venting

    Slant/Fin VSL II Quick Start Guide venting configurations. Additional venting information can be found Venting Flue Exhaust and Combustion Air in the manual for both direct vent and room air installations. Multiple This boiler may be vented in a number of different configurations...
  • Page 6: Electrical Connections

    Slant/Fin VSL II Quick Start Guide as external safety devices maybe connected to the boiler. A room Electrical Connections thermostat or TT connection from a zone valve/ pump relay control The boiler has both 24V and 120V terminal strips, pay special at- must always be connected to the boiler to generate a call for heat.
  • Page 7: Boiler Programming

    Slant/Fin VSL II Quick Start Guide Boiler Programming A - Key to reduce the supply water temperature; The boiler should always be programmed by the installer during B - Multifunctional key: reset any lockouts; access to user and startup. The outdoor reset curve should be set as well as the mini- installer menu.
  • Page 8: Boiler Startup & Combustion Analysis

    Slant/Fin VSL II Quick Start Guide The combustion analysis must be done by a qualified technician. Ensure there is a sufficient way to emit the heat generated by the boiler PARA FACTORY DESCRIPTION METER SETTINGS to allow for combustion testing, this can be accomplished by creating a call for heat in all the zones or if using an indirect tank by running the DHW at a faucet.
  • Page 9 Slant/Fin VSL II Quick Start Guide 020017.01.016 A - Gas orifice Boiler CO2 at CO2 at O2 at CO2 at Model High Fire Low Fire High Fire Low Fire D - Inlet gas pressure probe E - CO2 adjusting screw 8.6% - 8.9%...
  • Page 10 When sizing pressure drop through the boiler using glycol an additional 19% pressure drop will occur with a 30% glycol system and an additional 35% pressure drop will occur with a 50% glycol system. The maximum amount of glycol used with the VSL II boiler must be limited to a concentration of 50%. 30˚F...
  • Page 11 Slant/Fin VSL II Quick Start Guide 30 Gallon Superstor Ultra Indirect Tank Pump Sizing 20˚F T System Boiler Feet Feet of Head 30 Gallon Grundfos Taco pump Model of Head Indirect Water Heater Model Model 21.3 27.3 UPS43-100 (Speed 2)
  • Page 12 Slant/Fin VSL II Quick Start Guide 40 and 60 Gallon Superstor Ultra Indirect Tank Pump Sizing 20˚F T System Boiler Feet Feet of Head 30 Gallon Grundfos Taco pump Model of Head Indirect Water Heater (7.9) Model Model 21.3 29.2...
  • Page 13 Slant/Fin VSL II Quick Start Guide Commissioning Check List Gas input rate btuh Static gas pressure in. W.C. Dynamic gas pressure in. W.C. Gas type Central Heating supply temperature Central heating return temperature CO2 reading at high fire CO2 reading at low fire Ionization current μA...
  • Page 14 Slant/Fin VSL II Quick Start Guide Technical Data Boiler MODEL 130A 150A 199A 250A Category of discharge chimney Maximum Heat input Btu/hr 90,000 130,000 150,000 198,000 250,000 Minimum heat input Btu/hr 20,000 36,000 36,000 43,000 50,000 Turndown ratio 4.5 : 1 3.6 : 1...
  • Page 15 Slant/Fin VSL II Quick Start Guide...
  • Page 16 U.S.A. Canada Slant/Fin Corporation • 100 Forest Drive Slant/Fin LTD/LTEE • 400 Ambassador Drive, Greenvale, NY 11548 • 516-484-2600 Mississauga, Ontario L5T 2J3 • 905-677-8400 www.slantfin.com www.slantfin.ca ©2015 Slant/Fin Corp. • Publication VSLII-QSG • Printed in U.S.A. 915...

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